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Fix No Sound (Dummy Output) Issue In Ubuntu With SND HDA ...
https://www.linuxuprising.com/2018/06/fix-no-sound-dummy-output-issue-in.html#:~:text=In%20case%20you%27ve%20plugged%20in%20an%20HDMI%20cable%2C,then%20you%20can%20unplug%20the%20HDMI%20cable%20again.
No sound on HDMI Ubuntu 20.04 - Ask Ubuntu
https://askubuntu.com/questions/1256043/no-sound-on-hdmi-ubuntu-20-04
After upgrading from Ubuntu 18.04 to 20.04, I noticed that pulseaudio would no longer detect HDMI audio output (plugged to an nVidia graphics card) when turning my TV on after I logged in. HDMI output is just not listed anymore in sound settings. This used to …
pulseaudio - HDMI is not displayed in the "Sound" settings ...
https://askubuntu.com/questions/472258/hdmi-is-not-displayed-in-the-sound-settings-on-ubuntu-14-04-lts
Reinstall Alsa and Pulse Audio. Open an Terminal (CTRL+ATL+T). Try to reinstall pulse audio and Alsa, open terminal and enter the following commands: Purge Alsa and Pulse audio using the command: sudo apt-get remove --purge alsa-base pulseaudio Now install again Alsa and Pulse Audio: sudo apt-get install alsa-base pulseaudio Then, reload Alsa:
pulseaudio - Can someone please help me why I can't get …
https://askubuntu.com/questions/1391980/can-someone-please-help-me-why-i-cant-get-my-sound-working-on-my-ubuntu-21-10-6
The only other real difference is the Ubuntu System is in an ARGON M2 case that uses an add in board to give me full size Hdmi connectors and the other Manjaro System is a case that doesn't. The Manjaro system has just worked no problem sound and all but the person I am trying to get this to work for wants Ubuntu.
pulseaudio - How can I get HDMI sound to work ... - Ask …
https://askubuntu.com/questions/834731/how-can-i-get-hdmi-sound-to-work-in-16-04
I can't get HDMI sound to work. Some notes and observations: The sound section in System Settings shows the "HDMI/DisplayPort - Built-in Audio" device as expected, and all volumes are at 100% and nothing is muted. Likewise for pavucontrol, it lists the "Digital Stereo (HDMI) Output" profile under Configuration and the "HDMI/DisplayPort (plugged in)" device …
pulseaudio - No sound - Lubuntu 21.10 - Ask Ubuntu
https://askubuntu.com/questions/1371369/no-sound-lubuntu-21-10
I recently upgraded to Lubuntu 21.10 on a scratch install; unfortunately, no sound comes from the notebook's internal speakers, nor from the P2 connection for headphones. I read some articles on the internet, but I couldn't solve the problem. When I access the PulseAudio volume control, I see that there is no sound output options, just written ...
sound - PulseAudio not detecting any devices - Ask Ubuntu
https://askubuntu.com/questions/859773/pulseaudio-not-detecting-any-devices
Open any audio player and play a song or something. You'll not hear any sound, and if you press your volume keys, you'd still see the "Dummy" control output. Go to Sound settings: Settings > Sound; In the output section, you'll see "Dummy" selected as default output. Now clicking on the dropdown menu will give the option of "Speakers - Built-in-Audio".
Ubuntu – No sound on HDMI Ubuntu 20.04 – iTecTec
https://itectec.com/ubuntu/ubuntu-no-sound-on-hdmi-ubuntu-20-04/
In the Settings-> Sound-> Output-> Output Device I have just two options to choose from: Speakers-Built-in-Audio; Digital Output(S/PDIF)-Built-in-Audio; On Pulseaudio > Configuration it shows: GF108 High Definition Audio Controller and Built-in Audio. And in both of them all the options with HDMI are displayed with (unplugged)(unavailable).
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